how to fix Tesla Outback 5th Generation (2015-2019) transmission jerking when shifting

Subaru Outback 5th Generation (2015-2019)

Error Codes

3-5 hours

Time

medium

Difficulty

high

Severity

3 min read

589 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix transmission jerking in Tesla Outback 5th Generation (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Transmission

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Allow the engine to cool before performing any maintenance on the transmission.

Symptoms

•Jerking or jolting sensation during shifting
•Delayed engagement when shifting gears
•Unusual noises when accelerating
•Poor acceleration performance
•Transmission fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; ensure it is at the recommended level and not burnt or contaminated.
3
Inspect the transmission fluid filter for blockages that could affect fluid flow.
4
Examine the transmission control module (TCM) connections and wiring for any signs of damage or corrosion.
5
Test the operation of the transmission solenoids for proper function using a multimeter.
6
Conduct a road test to replicate the conditions under which the jerking occurs to gather more data.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Transmission dipstick
•Fluid catch pan
•Funnel

Parts Required

•Transmission fluid
•Transmission fluid filter
•Gasket for the transmission filter
•Replacement solenoids (if needed)

Related Faults

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Diagnostic Steps

1
Scan the vehicle for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; ensure it is at the recommended level and not burnt or contaminated.
3
Inspect the transmission fluid filter for blockages that could affect fluid flow.
4
Examine the transmission control module (TCM) connections and wiring for any signs of damage or corrosion.
5
Test the operation of the transmission solenoids for proper function using a multimeter.
6
Conduct a road test to replicate the conditions under which the jerking occurs to gather more data.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is turned off.
Disconnect the battery to prevent electrical issues.

2. Check Transmission Fluid

Tools Required: Transmission dipstick, funnel, replacement transmission fluid (if needed).
Remove the transmission dipstick and check the fluid level. If low, add the specified type of transmission fluid (refer to owner's manual for specifications).
Inspect fluid condition; if it appears dark or has a burnt smell, plan to replace it.

3. Replace Transmission Fluid Filter

Tools Required: Socket set, fluid catch pan, new transmission fluid filter, gasket, transmission fluid.
Locate the transmission fluid filter, usually mounted on the transmission housing.
Place a fluid catch pan under the filter, remove old filter, and allow remaining fluid to drain.
Install the new filter and gasket, ensuring they are seated properly.

4. Inspect and Repair Wiring

Tools Required: Multimeter, wire strippers, electrical connectors.
Visually inspect wiring harness connected to the TCM for any frays or corrosion.
Use a multimeter to test continuity of wires. Repair or replace any damaged wiring.

5. Test Transmission Solenoids

Tools Required: Multimeter, service manual for resistance specifications.
Disconnect the electrical connector from the solenoids.
Measure the resistance of each solenoid with a multimeter; compare readings to manufacturer specifications.
Replace any solenoids that are out of spec.

6. Reassemble and Refill Transmission Fluid

After completing repairs, reassemble any components removed.
Refill the transmission with the appropriate type and amount of fluid through the dipstick tube.
Reconnect the battery.